Breitling's Navitimer, first released in 1952, was a game-changer for pilots. Its clever design included a built-in "navigator computer" with a circular slide rule, making it a practical and efficient tool for flight planning. The watch was even adopted as the official timepiece of the AOPA, the largest pilot organization. Over the past fifty years, the Navitimer has become a coveted item, joining the ranks of iconic and timeless objects of the 20th century. With its original design and unwavering functionality, the Navitimer has remained unchanged and continuously produced, earning its place as the world's oldest chronograph.